A member asked:

How come when i take a nap in middle of day i wake up with very bad headache. i am usually very tired before i take a nap. ?

A doctor has provided 1 answer

Warnings: Two common causes that are dangerous and common - low oxygen and high blood pressure These occur regularly with sleep when people have obstructive sleep apnea. See a doctor to diagnose. Some snore but many don't, particularly women.

Answered 4/20/2015

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